Use xxx_url to fix bad captcha URL for enabled case.

CHANGELOG.md

@@ -2,6 +2,7 @@
 -----
 
 - `zh-TW` translate file fixed.
+- Use xxx_url to fix bad captcha URL for `config.action_controller.asset_host` enabled case.
 
 0.1.2
 -----

README.md

@@ -78,3 +78,7 @@ describe 'sign up and login', type: :feature do
 end
 ```
 
+## TODO
+
+- Use [rtesseract](https://github.com/dannnylo/rtesseract) to test OCR.
+

lib/rucaptcha/version.rb

@@ -1,4 +1,3 @@
 module RuCaptcha
-  VERSION = '0.1.2'
+  VERSION = '0.1.3'
 end
-

lib/rucaptcha/view_helpers.rb

@@ -7,7 +7,7 @@ module RuCaptcha
 
     def rucaptcha_image_tag(opts = {})
       opts[:class] = opts[:class] || 'rucaptcha-image'
-      image_tag(ru_captcha.root_path, opts)
+      image_tag(ru_captcha.root_url, opts)
     end
   end
 end